CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

If the mean of five observations x, x + 2, x + 4, x + 6 and x + 8 is 11, then the value of x is
(a) 5
(b) 6
(c) 7
(d) 8

Open in App
Solution

(c) 7

Mean of 5 observations = 11
We know:
Mean=Sum of all observationsTotal number of observations 11=x+x+2+x+4+x+6+x+8511=5x+2055x+20=555x=35x=7

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Measures of Central Tendency
MATHEMATICS
Watch in App
Join BYJU'S Learning Program
CrossIcon